A) \[1.60\,\overset{o}{\mathop{A}}\,\]
B) \[1.40\,\overset{o}{\mathop{A}}\,\]
C) \[1.06\,\overset{o}{\mathop{A}}\,\]
D) \[0.85\,\overset{o}{\mathop{A}}\,\]
Correct Answer: D
Solution :
Due to lanthanide contraction there occurs net decrease in size. Only one \[0.85\,\overset{o}{\mathop{A}}\,\] is smaller one.You need to login to perform this action.
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